CVE-2009-4141
Summary
| CVE | CVE-2009-4141 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2010-01-19 16:30:00 UTC |
| Updated | 2026-04-23 00:35:47 UTC |
| Description | Use-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file. |
Risk And Classification
CVSS v2.0 Breakdown
Access Vector
LocalAccess Complexity
LowAuthentication
NoneConfidentiality
CompleteIntegrity
CompleteAvailability
CompleteAV:L/AC:L/Au:N/C:C/I:C/A:C
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Linux | Linux Kernel | 2.6.0 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.11.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.12.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.13.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.14.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.15.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.15 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.16 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.18 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.19 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.20 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.21 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.22 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.23 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.24 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.25 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.26 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.27 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.28 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.29 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.30 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.31 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.16.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.10 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.11 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.12 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.13 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.14 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.17.9 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.18.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.22.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.23.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.24 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.24 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.24 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.24 | rc4 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.24 | rc5 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.32 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.32.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.32.2 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.32.3 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.32.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.33 | rc1 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.33 | rc2 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.33 | rc3 | All | All |
| Operating System | Linux | Linux Kernel | 2.6.4 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.5 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.6 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.7 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.8.1 | All | All | All |
| Operating System | Linux | Linux Kernel | 2.6.9 | All | All | All |
| Operating System | Linux | Linux Kernel | All | rc4 | All | All |
Vendor Declared Affected Products
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| rhn.redhat.com | Red Hat Support | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| [security-announce] SUSE Security Announcement: Linux kernel (SUSE-SA:20 | af854a3a-2127-422b-91ae-364da2661108 | lists.opensuse.org | |
| Linux Kernel 'fasync_helper()' Local Privilege Escalation Vulnerability | af854a3a-2127-422b-91ae-364da2661108 | www.securityfocus.com | |
| kernel/git/torvalds/linux.git - Linux kernel source tree | af854a3a-2127-422b-91ae-364da2661108 | git.kernel.org | |
| Red Hat update for kernel-rt - Advisories - Community | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | |
| Linux Kernel FASYNC Use-After-Free Privilege Escalation Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com | af854a3a-2127-422b-91ae-364da2661108 | secunia.com | Vendor Advisory |
| 404: File not found | af854a3a-2127-422b-91ae-364da2661108 | www.kernel.org | Patch |
| Bug 547906 – CVE-2009-4141 kernel: create_elf_tables can leave urandom in a bad state | af854a3a-2127-422b-91ae-364da2661108 | bugzilla.redhat.com | |
| Repository / Oval Repository | af854a3a-2127-422b-91ae-364da2661108 | oval.cisecurity.org | |
| 404 Not Found | af854a3a-2127-422b-91ae-364da2661108 | lock.cmpxchg8b.com | Exploit |
| Support | af854a3a-2127-422b-91ae-364da2661108 | www.redhat.com | |
| Red Hat Customer Portal | af854a3a-2127-422b-91ae-364da2661108 | rhn.redhat.com | |
| Repository / Oval Repository | af854a3a-2127-422b-91ae-364da2661108 | oval.cisecurity.org | |
| ASA-2010-026 (RHSA-2010-0046) | af854a3a-2127-422b-91ae-364da2661108 | support.avaya.com | |
| Tavis Ormandy na Twitterze: "CVE-2009-4141 is out, a nice Linux kernel use-after-free (local root). Patch is here http://bit.ly/7Qkfw0, vendors will likely update today." | af854a3a-2127-422b-91ae-364da2661108 | twitter.com | Patch |
| archives.neohapsis.com/archives/fulldisclosure/2010-01/0252.html | af854a3a-2127-422b-91ae-364da2661108 | archives.neohapsis.com | Exploit |
| kernel/git/torvalds/linux.git - Linux kernel source tree | MITRE | git.kernel.org | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal | MITRE | access.redhat.com | |
| Red Hat Customer Portal - Access to 24x7 support and knowledge | MITRE | access.redhat.com | |
| access.redhat.com | CVE-2009-4141 | MITRE | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
| Organization | Published | Contributor | Statement |
|---|---|---|---|
| Red Hat | 2010-01-21 | Tomas Hoger | This issue did not affect the versions of the Linux kernel as shipped with Red Hat Enterprise Linux 3, 4 and Red Hat Enterprise MRG. Shipped kernels do not include upstream commit 233e70f4 that introduced the problem. It was addressed in Red Hat Enterprise Linux 5 via https://rhn.redhat.com/errata/RHSA-2010-0046.html |
There are currently no legacy QID mappings associated with this CVE.